will be meeting with president obama on friday. bing west, celeste ward gventer, thank you. >> thank you so much, judy. > thank y. >> brown: next, a science and medical story involving research from the frontiers of robotics. ray suarez looks at how doctors are using high tech toys to help people with special needs. >> what's your favorite game? >> "mario cart," the original. >> reporter: in a carefully monitored session that seems more like playtime than therapy, researchers at the university of notre dame have enlisted an unusual therapist to assist their studies of children with autism, a two footobotamed kelly. >> i got to skip school today, because of you guys. >> that is so cool. i am so glad. >> reporter: kelly is working with 11 year old liam mcguire and a co-therapist of the human kind, kristen wier. >> for liam, kelly has become a friend. i mean, he's very excited to see her. you can tell, he lights up when he sees kelly, he leans forward, his posture changes, his eye contact is much stronger. i think it's something he can relate to, and feel successful with. >> i like to play soccer.